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LTC3445EUF#PBF from LINEAR

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LTC3445EUF#PBF

Manufacturer: LINEAR

I2C Controllable Buck Regulator with Two LDOs in a 4mm 脳 4mm QFN

Partnumber Manufacturer Quantity Availability
LTC3445EUF#PBF,LTC3445EUFPBF LINEAR 240 In Stock

Description and Introduction

I2C Controllable Buck Regulator with Two LDOs in a 4mm 脳 4mm QFN The LTC3445EUF#PBF is a synchronous buck-boost DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 2.5V to 5.25V  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead QFN (4mm × 4mm)  
- **Topology:** Synchronous Buck-Boost  
- **Features:**  
  - Automatic transition between buck and boost modes  
  - Low quiescent current (30µA in Burst Mode operation)  
  - No-load quiescent current <1µA in shutdown  
  - Soft-start and inrush current limiting  
  - Power good indicator  

### **Descriptions:**  
The LTC3445EUF#PBF is a high-efficiency, fixed-frequency synchronous buck-boost converter designed for single-cell Li-ion or dual-cell alkaline/NiMH applications. It provides a regulated output voltage from an input voltage that can be above, below, or equal to the output voltage.  

### **Features:**  
- Seamless transition between buck and boost modes  
- High efficiency across a wide load range  
- Low noise Burst Mode operation  
- Integrated power switches  
- Short-circuit protection  
- Thermal shutdown  

This device is commonly used in portable electronics, battery-powered systems, and other applications requiring efficient power conversion.  

(Source: Linear Technology/Analog Devices datasheet)

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